EP3734123A4 - SEALING DEVICE - Google Patents

SEALING DEVICE Download PDF

Info

Publication number: EP3734123A4
Authority: EP; European Patent Office
Prior art keywords: sealing device; sealing
Prior art date: 2017-12-27
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP18893573.8A

Other languages

German (de)

French (fr)

Other versions

EP3734123B1 (en

EP3734123A1 (en

Inventor

Takuya Ito

Masayuki Tanida

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nok Corp

Original Assignee

Nok Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2017-12-27

Filing date

2018-12-27

Publication date

2021-09-29

2018-12-27 Application filed by Nok Corp filed Critical Nok Corp

2020-11-04 Publication of EP3734123A1 publication Critical patent/EP3734123A1/en

2021-09-29 Publication of EP3734123A4 publication Critical patent/EP3734123A4/en

2022-12-14 Application granted granted Critical

2022-12-14 Publication of EP3734123B1 publication Critical patent/EP3734123B1/en

Status Active legal-status Critical Current

2038-12-27 Anticipated expiration legal-status Critical

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Power Engineering (AREA)
Sealing With Elastic Sealing Lips (AREA)
Sealing Devices (AREA)
Sealing Of Bearings (AREA)

EP18893573.8A 2017-12-27 2018-12-27 Sealing apparatus Active EP3734123B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2017250659		2017-12-27
PCT/JP2018/048214 WO2019131899A1 (en)	2017-12-27	2018-12-27	Sealing device

Publications (3)

Publication Number	Publication Date
EP3734123A1 EP3734123A1 (en)	2020-11-04
EP3734123A4 true EP3734123A4 (en)	2021-09-29
EP3734123B1 EP3734123B1 (en)	2022-12-14

Family

ID=67067500

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18893573.8A Active EP3734123B1 (en)	2017-12-27	2018-12-27	Sealing apparatus

Country Status (5)

Country	Link
US (1)	US11365807B2 (en)
EP (1)	EP3734123B1 (en)
JP (2)	JP6967087B2 (en)
CN (1)	CN111465788B (en)
WO (1)	WO2019131899A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR102213573B1 (en) *	2016-11-25	2021-02-08	엔오케이 가부시키가이샤	Sealing device and sealing structure
CN113474568B (en) *	2019-05-08	2024-01-05	Nok株式会社	Sealing device
US12241507B2 (en)	2019-12-11	2025-03-04	Schaeffler Technologies AG & Co. KG	Discharge device for discharging an electrical charge from a rotor of an electric motor
DE102020200821A1 (en) *	2020-01-23	2021-07-29	Zf Friedrichshafen Ag	Shaft grounding device and electric drive unit with such a device
JP7449733B2 (en) *	2020-03-16	2024-03-14	住友重機械工業株式会社	Seal member
EP4191097A4 (en) *	2020-07-27	2024-08-21	NOK Corporation	SEALING DEVICE
US12152674B2 (en) *	2020-09-28	2024-11-26	Trelleborg Sealing Solutions Us, Inc.	Electrically grounding cassette seal
CN112877931B (en) *	2021-01-13	2022-09-13	徐州力达缝纫设备制造有限公司	Crank type sewing machine for sewing flat seam
US20240035573A1 (en) *	2021-01-27	2024-02-01	Nok Corporation	Sealing device
CN112994363A (en) *	2021-03-31	2021-06-18	华为技术有限公司	Motor, power assembly and electric vehicle
US11943905B2 (en) *	2022-01-14	2024-03-26	Microsoft Technology Licensing, Llc	Systems and methods for electromagnetic shielding of rotating components
CN114412926B (en) *	2022-01-26	2024-08-20	山东朝阳轴承有限公司	Bearing sealing structure
JPWO2024053500A1 (en) *	2022-09-09	2024-03-14
WO2024089960A1 (en) *	2022-10-27	2024-05-02	Nok株式会社	Conductive sealing device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6004039A (en) *	1995-04-26	1999-12-21	Nsk Ltd.	Lubricating structure for oil seals assembled with bearings
US20110069917A1 (en) *	2008-05-27	2011-03-24	Nsk Ltd.	Rolling bearing
JP2014240676A (en) *	2013-06-11	2014-12-25	日本精工株式会社	Wheel supporting bearing unit with seal
WO2016181900A1 (en) *	2015-05-11	2016-11-17	Nok株式会社	Sealing device

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Publication number	Priority date	Publication date	Assignee	Title
JPS6343067A (en) *	1986-08-07	1988-02-24	Nok Corp	Thermal sealing material
DE3740679C2 (en) *	1987-12-01	1993-10-14	Blohm Voss Ag	Device for cathodic corrosion protection of a component on a stern tube of a ship
JP2559158Y2 (en) *	1993-04-09	1998-01-14	内山工業株式会社	Sealing device
JPH0749282A (en) *	1993-08-03	1995-02-21	Nissan Motor Co Ltd	Oil seal structure of pressure sensor
JP2000244180A (en)	1999-02-22	2000-09-08	Toyota Motor Corp	Electromagnetic noise suppression device for electric vehicles
JP2005308067A (en)	2004-04-20	2005-11-04	Nsk Ltd	Rolling bearing
KR101195665B1 (en) *	2004-07-16	2012-10-30	엔오케이 가부시키가이샤	Sealing device
CN101044232A (en) *	2004-10-18	2007-09-26	日本精工株式会社	Waterproof grease composition and roller bearing for wheel support
JP2006234093A (en)	2005-02-25	2006-09-07	Nsk Ltd	Rolling bearing device for supporting wheel
JP2008025668A (en)	2006-07-19	2008-02-07	Koyo Sealing Techno Co Ltd	Sealing device
JP2010185490A (en) *	2009-02-10	2010-08-26	Uchiyama Manufacturing Corp	Bearing sealing device
JP5311649B2 (en) *	2009-03-30	2013-10-09	内山工業株式会社	Annular sealing device
CN102792076B (en) *	2010-03-08	2016-04-20	本田技研工业株式会社	Vehicle engine oil seal
JP2012072822A (en) *	2010-09-28	2012-04-12	Nok Corp	Sealing device
JP5918556B2 (en) *	2012-02-07	2016-05-18	Ntn株式会社	Wheel bearing device
JP5964120B2 (en) *	2012-04-13	2016-08-03	Ntn株式会社	Wheel bearing sealing device
CN202732971U (en) *	2012-07-31	2013-02-13	常州海川卓越密封材料有限公司	Slurry oil seal
DE102013000982B4 (en) *	2013-01-22	2015-10-29	Carl Freudenberg Kg	Sealing ring and seal assembly so
JP2015014296A (en)	2013-07-03	2015-01-22	内山工業株式会社	Sealing device
JP6220724B2 (en)	2014-04-23	2017-10-25	本田技研工業株式会社	Power transmission device for vehicle
JP6745534B2 (en) *	2015-08-24	2020-08-26	内山工業株式会社	Rubber composition, rubber molded article and method for producing the same
CN206582329U (en) *	2017-03-21	2017-10-24	无锡恩福油封有限公司	Sealing device

2018
- 2018-12-27 WO PCT/JP2018/048214 patent/WO2019131899A1/en unknown
- 2018-12-27 EP EP18893573.8A patent/EP3734123B1/en active Active
- 2018-12-27 CN CN201880079178.6A patent/CN111465788B/en active Active
- 2018-12-27 JP JP2019562180A patent/JP6967087B2/en active Active
2020
- 2020-05-28 US US16/885,949 patent/US11365807B2/en active Active
2021
- 2021-09-03 JP JP2021143991A patent/JP7214807B2/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6004039A (en) *	1995-04-26	1999-12-21	Nsk Ltd.	Lubricating structure for oil seals assembled with bearings
US20110069917A1 (en) *	2008-05-27	2011-03-24	Nsk Ltd.	Rolling bearing
JP2014240676A (en) *	2013-06-11	2014-12-25	日本精工株式会社	Wheel supporting bearing unit with seal
WO2016181900A1 (en) *	2015-05-11	2016-11-17	Nok株式会社	Sealing device
EP3293424A1 (en) *	2015-05-11	2018-03-14	Nok Corporation	Sealing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019131899A1 *

Also Published As

Publication number	Publication date
JP2021185324A (en)	2021-12-09
CN111465788B (en)	2022-09-20
US20200292079A1 (en)	2020-09-17
US11365807B2 (en)	2022-06-21
JP7214807B2 (en)	2023-01-30
JP6967087B2 (en)	2021-11-17
WO2019131899A1 (en)	2019-07-04
JPWO2019131899A1 (en)	2020-12-17
CN111465788A (en)	2020-07-28
EP3734123B1 (en)	2022-12-14
EP3734123A1 (en)	2020-11-04

Publication	Publication Date	Title
LT3383746T (en)	2019-12-10	SEALING DEVICE
EP3624701A4 (en)	2020-03-25	TRANSPARENT SEALING DEVICE
EP3734123A4 (en)	2021-09-29	SEALING DEVICE
DK4011339T3 (en)	2024-05-06	STOMY DEVICE
EP3546806A4 (en)	2020-07-22	SEALING DEVICE
EP3453905C0 (en)	2024-10-02	SEALING DEVICE
DK3596363T3 (en)	2022-08-22	SEALING DEVICE
EP3505799A4 (en)	2020-04-15	SEALING DEVICE
EP3147544C0 (en)	2024-10-23	SEALING DEVICE
EP3695822A4 (en)	2021-10-27	GAITING DEVICE
DK3728910T3 (en)	2024-05-27	SEALING ARRANGEMENT
EP3587872A4 (en)	2020-12-09	SEALING DEVICE
EP3617565A4 (en)	2020-12-30	SEALING ELEMENT
EP3828447A4 (en)	2021-09-01	SEALING DEVICE
EP3757412A4 (en)	2021-04-14	SEALING DEVICE
EP3611406C0 (en)	2024-12-11	SEALING DEVICE
EP3587874A4 (en)	2020-12-02	SEALING DEVICE
EP3561327A4 (en)	2020-08-19	SEALING DEVICE
DK3453806T3 (en)	2020-03-30	sealing
KR20180084954A (en)	2018-07-25	Sealing device
EP3819526C0 (en)	2024-04-24	SEALING DEVICE
EP3828448A4 (en)	2021-09-01	SEALING DEVICE
EP3775632A4 (en)	2022-01-05	SEALING DEVICE
EP3779246A4 (en)	2022-01-05	SEALING DEVICE
EP3508762A4 (en)	2020-04-29	SEALING DEVICE

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